List executions for a process

{
  "executions": {
    "items": [
      {
        "executionDetail": {
          "status": "OK",
          "created": "2014-02-24T19:00:35.999Z",
          "started": "2014-02-24T19:00:39.155Z",
          "updated": "2014-02-24T19:26:13.197Z",
          "finished": "2014-02-24T19:26:13.060Z",
          "logFileName": "{logFileName}",
          "relativeLogPath": "{relativeLogPath}",
          "data": "{data}",
          "error": {
            "errorCode": "executor.error",
            "message": "Error message with some placeholders parameters for - like %s.",
            "parameters": [
              "this one"
            ]
          },
          "links": {
            "self": "/gdc/projects/{project_id}/dataload/processes/{process_id}/executions/{execution_id}/detail/executions/{execution_id}/detail",
            "poll": "/gdc/projects/{project_id}/dataload/processes/{process_id}/executions/{execution_id}",
            "data": "/gdc/projects/{project_id}/dataload/processes/{process_id}/executions/{execution_id}/data",
            "log": "/gdc/projects/{project_id}/dataload/processes/{process_id}/executions/{execution_id}/log"
          }
        }
      }
    ],
    "paging": {
      "offset": 5,
      "count": 2,
      "next": "{nextPageLink}"
    }
  }
}